Duff ZIP Codes — Campbell County, TN

There is one unique ZIP code in Duff, Tennessee and it is 37729. Area code: 423.

ZIP codes

49.25

sq mi land

0.00

sq mi water

423

area code

Duff, TN ZIP code map

About Duff, TN

Duff, Tennessee, is a small, unincorporated community located in Campbell County. Nestled in the scenic Appalachian region, it offers a glimpse into rural life in the Volunteer State. With its serene surroundings and inviting atmosphere, Duff serves as a friendly locale for both residents and visitors alike.

Location & geography

Duff is situated in the eastern part of Campbell County, positioned within the beautiful landscapes of Tennessee. Nearby cities include LaFollette, which is approximately 9 miles to the northwest, Caryville about 8 miles to the south, Jacksboro roughly 11 miles to the west, and Clinton, located around 20 miles to the northwest. The area is characterized by its rolling hills and lush woodlands, featuring a land area of 49.25 square miles without any significant water bodies.

Community & economy

The community of Duff is characterized by its tight-knit atmosphere and friendly residents, embodying the charm of rural Tennessee. Local industries primarily revolve around agriculture and small businesses, fostering a sense of self-reliance among the population. Daily life here emphasizes a slower pace, with community gatherings and outdoor activities being prominent attractions for families and neighbors.

Transportation

Duff is served by several key highways, providing easy access to nearby towns and cities. The closest named airport is McGhee Tyson Airport, located approximately 45 miles to the south, facilitating regional and national travel for residents.

History

Duff, like much of Campbell County, has a rich history rooted in agriculture and community development. The area has seen growth due to its natural resources and has been influenced by various events over the years, including significant developments in local industry and infrastructure.

Did you know?

One surprising fact about Duff is its unique blend of natural beauty with easy access to recreation areas in the nearby Cumberland Mountains. This combination makes it an attractive spot for outdoor enthusiasts seeking hiking, fishing, and peaceful retreats away from urban life.

ZIP codes for Duff, TN (1)

ZIP code	City	County	Map
37729	Duff	Campbell	View map

Demographics & statistics

1,547

Population

45.2

Median age

$55,568

Median household income

$20,263

Per capita income

$77,300

Median home value

Median monthly rent

82.9%

Home ownership

19.2%

Poverty rate

15.6%

Unemployment

592

Housing units

30.2%

Bachelor's or higher

Age distribution

Male Female

123

Under 5

106

5–9

10–14

15–19

20–24

102

25–34

35–44

190

45–54

164

55–59

60–64

113

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	369	23.9%
18 and over	1,178	76.1%
65 and over	280	18.1%
Median age	45.2 years

Race & ethnicity

White 99.8%

Two or more races 0.2%

Group	Count	%
White	1,544	99.8%
Two or more races	3	0.2%

Household income

Under $10k 3.1%

$10k–$15k 0.6%

$15k–$25k 15.4%

$25k–$35k 10.4%

$35k–$50k 17.1%

$50k–$75k 24.0%

$75k–$100k 10.4%

$100k–$150k 17.5%

$150k–$200k 1.7%

Range	% of households
Under $10k	3.1%
$10k–$15k	0.6%
$15k–$25k	15.4%
$25k–$35k	10.4%
$35k–$50k	17.1%
$50k–$75k	24.0%
$75k–$100k	10.4%
$100k–$150k	17.5%
$150k–$200k	1.7%
Median income	$55,568

Housing

Home values

Under $50k 28.7%

$50k–$100k 40.5%

$100k–$150k 28.5%

$150k–$200k 2.3%

Housing overview

Metric	Value
Median home value	$77,300
Median rent / month	$0
Owner occupied	82.9%
Renter occupied	17.1%
Vacant	23.5%
Single-family detached	47.6%
Large apartment buildings	0.0%
Mobile homes	52.4%
Median rooms	6.1
Avg household size (owned)	2.89

Year built

Era	%
2020 or later	0.0%
2010–2019	10.9%
2000–2009	8.2%
1990–1999	25.3%
1980–1989	7.8%
1970–1979	8.2%
1960–1969	6.2%
1950–1959	23.8%
1940–1949	4.0%
1939 or earlier	5.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.7%
2 bedrooms	40.5%
3 bedrooms	33.8%
4 bedrooms	19.5%
5+ bedrooms	1.5%

Vehicles per household

Vehicles	% of households
No vehicle	6.3%
1 vehicle	16.5%
2 vehicles	40.9%
3 or more	36.3%

Heating fuel

Fuel type	%
Utility gas	4.2%
Electricity	61.2%
Propane / LP gas	25.5%
Fuel oil	3.5%
Wood	5.6%

Households & families

Household type	Count	%
Married-couple family	237	45.5%
Cohabiting couple	26	5.0%
Male householder, no spouse	60	11.5%
Female householder, no spouse	198	38.0%
Households with children under 18	181	34.7%
Households with seniors (65+)	244	46.8%
Average household size	2.97

Marital status

Status	Male	Female
Never married	43.7%	31.0%
Married	47.4%	47.0%
Separated	2.5%	0.0%
Widowed	1.6%	12.8%
Divorced	4.8%	9.2%

Education

Less than 9th grade 9.6%

Some HS, no diploma 21.4%

HS graduate 29.8%

Some college, no degree 6.9%

Associate's degree 2.1%

Bachelor's degree 1.5%

Graduate / professional 28.7%

Metric	%
HS diploma or higher	69.0%
Bachelor's or higher	30.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	8	5.3%
Elementary school	77	51.3%
High school	42	28.0%
College / grad school	23	15.3%

Employment

Industry of employment

Education & healthcare 47.0%

Construction 17.9%

Agriculture & mining 8.1%

Manufacturing 6.8%

Professional & management 5.8%

Other services 5.1%

Wholesale trade 2.5%

Public administration 2.5%

Information 2.3%

Arts, food & hospitality 2.0%

Occupation

Category	%
Management, business & arts	43.4%
Service	11.6%
Sales & office	6.6%
Natural resources & construction	25.8%
Production & transportation	12.6%

Employment type

Type	%
Private sector	66.4%
Government	33.6%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	59.8%
Carpool	31.3%
Public transit	0.0%
Walk	0.0%
Other means	2.1%
Avg commute (minutes)	40.7

Poverty

All people 19.2%

Under 18 years 31.2%

18 and over 15.4%

Married-couple families 6.8%

Female-led households 16.0%

Income support

Source	% of households
Social Security	52.4%
Retirement income	29.8%
Supplemental Security	7.7%
Cash public assistance	10.4%
Food stamps / SNAP	21.1%

Health indicators

Condition	%
High blood pressure	43.7%
High cholesterol	37.7%
Heart disease	9.6%
Stroke	4.8%
Asthma	12.1%
Arthritis	34.2%
Kidney disease	3.9%
Pulmonary disease	14.5%
Cancer	6.8%

Behavior / access	%
Binge drinking	13.5%
No physical activity	36.0%
Less than 7 hrs sleep	37.1%
Fair or poor health	26.0%
Poor mental health	20.5%
Poor physical health	17.2%
No health insurance	22.9%
Visited doctor (checkup)	74.4%
Visited dentist	40.4%
Cholesterol screening	86.8%
Teeth loss	29.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	14	1.2%

Disability	%
Any disability	20.1%
Under 18	8.1%
18–64 years	10.0%
65 and over	68.2%

Health insurance coverage

Type	%
Private insurance	48.6%
Public insurance	55.7%
Uninsured under 19	3.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,318	85.2%
Spanish	28	2.1%
Other Indo-European	0	0.0%
Asian & Pacific Islander	28	2.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,519	98.2%
Born in same state	1,519	98.2%
Born in different state	1,266	81.8%
Foreign born	0	0.0%
Naturalized citizen	28	1.8%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	139	9%
Arab	88	5.7%

Ancestry	Count	%
Italian	47	3%

Technology access

Metric	% of households
Computer access	33.7%
Internet access	82.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Duff, TN have?

Duff, TN has one ZIP code: 37729. Each ZIP code serves a distinct delivery area within the city and surrounding region.